number drill · nominal diameter

#36
drill bit size.

A #36 bit measures 0.1065 in across (2.705 mm).

The inch decimal is the published nominal designation; millimetres are a conversion.

Diameter conversion cross-checked

Calibrated relative diameter · 1 in reference

#36 · number

0.1065 in

2.705 mm

Designation#36number

Inch decimal0.1065nominal

Metric conversion2.705millimetres

Where this size sits from 0 to 1 inch

#36 · 2.705 mm on a zero to 25.4 millimetre scale. Neighbor marks: 2.7 mm, #37.

0 25.4 mm

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Where this bit is specified

What #36 is for.

#36 is the cutting-tap drill for the thread below— usually the reason this size gets looked up. Engagement is calculated from the basic 60° profile; open a thread for its published row, evidence, and limits.

Cutting-tap rows naming #36 CUT TAPS ONLY · CALCULATED ENGAGEMENT

#6-32 UNC UNC · manufacturer-published row 77.6% calculated thread engagement

Measured neighbors

What sits beside #36.

“Nearest” means nominal diameter only. It does not make a neighboring size acceptable for a tolerance, tapping, reaming, or fastener application.

Other naming systemsABSOLUTE DIAMETER DELTA

2.7 mmmetric 0.1063 inΔ -0.005 mm 7/64fractional 0.1094 inΔ +0.073 mm 2.8 mmmetric 0.1102 inΔ +0.095 mm 2.6 mmmetric 0.1024 inΔ -0.105 mm

Same seriesNEAREST NOMINAL ROWS

#37number 2.642 mmΔ -0.063 mm #35number 2.794 mmΔ +0.089 mm

Source record

ASME.

The standard text is paywalled. Number and letter series are cross-checked against public manufacturer charts; exact standard edition/page verification remains a release gate.

Open source record

#36drill bit size.

What #36 is for.

What sits beside #36.

ASME.

#36
drill bit size.